package Thread;

class MyThread extends Thread{
    @Override
    public void run() {
        while(true) {
            System.out.println("hello thread");
            try {
                Thread.sleep(1000);
            }catch (InterruptedException e){
                throw new RuntimeException(e);
            }
        }
    }
}

public class Demo1 {
    public static void main(String[] args) throws InterruptedException {
        //1.创建Thread类的子类  在子类中重写run方法
        Thread t = new MyThread();
        t.start();//线程开始创建

        while (true) {
            System.out.println("Hello mian");
            Thread.sleep(1000);
        }
    }
}
